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Shell Programming and Scripting
remove all duplicate lines from all files in one folder
Post 302321075 by ghostdog74 on Saturday 30th of May 2009 02:55:42 AM
05-30-2009
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dfh 787 10.0.0.2
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df dasa 10.0.0.5
df dag 10.0.0.5
dfd dfdas 10.0.0.5
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...
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Dear All,
I have multiple files having number of records, consist of more than 10 columns some column values are duplicate and i want to remove these duplicate values from these files.
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Hey guys, need some help to fix this script. I am trying to remove all the duplicate lines in this file.
I wrote the following script, but does not work. What is the problem?
The output file should only contain five lines:
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Hi
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YET
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LEARN ABOUT SUNOS
mkdevmaps
mkdevmaps(1M) System Administration Commands mkdevmaps(1M) NAME
mkdevmaps - make device_maps entries SYNOPSIS
/usr/sbin/mkdevmaps DESCRIPTION
The mkdevmaps command writes to standard out a set of device_maps(4) entries describing the system's frame buffer, audio, and removable media devices. The mkdevmaps command is used by the init.d(4) scripts to create or update the /etc/security/device_maps file. Entries are generated based on the device special files found in /dev. For the different categories of devices, the mkdevmaps command checks for the following files under /dev: audio /dev/audio, /dev/audioctl, /dev/sound/... tape /dev/rst*, /dev/nrst*, /dev/rmt/... floppy /dev/diskette, /dev/fd*, /dev/rdiskette, /dev/rfd* removable disk /dev/dsk/c0t?d0s?, /dev/rdsk/c0t?d0s? frame buffer /dev/fb ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ |Interface Stability |Obsolete | +-----------------------------+-----------------------------+ SEE ALSO
allocate(1), bsmconv(1M), attributes(5) NOTES
mkdevmaps might not be supported in a future release of the Solaris operating system. SunOS 5.10 8 Oct 2003 mkdevmaps(1M)